621537228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42841}}^1$

素因数の和:42895

約数の個数: 72

約数和(自身を含む): 1746582656

約数和(自身を除く): 1125045428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 42841, 85682, 128523, 171364, 257046, 385569, 514092, 556933, 771138, 1113866, 1328071, 1542276, 1670799, 2227732, 2656142, 3341598, 3984213, 5012397, 5312284, 6683196, 7968426, 10024794, 11952639, 15936852, 17264923, 20049588, 23905278, 34529846, 47810556, 51794769, 69059692, 103589538, 155384307, 207179076, 310768614, 621537228]

約数ペア:

[(1, 621537228), (2, 310768614), (3, 207179076), (4, 155384307), (6, 103589538), (9, 69059692), (12, 51794769), (13, 47810556), (18, 34529846), (26, 23905278), (31, 20049588), (36, 17264923), (39, 15936852), (52, 11952639), (62, 10024794), (78, 7968426), (93, 6683196), (117, 5312284), (124, 5012397), (156, 3984213), (186, 3341598), (234, 2656142), (279, 2227732), (372, 1670799), (403, 1542276), (468, 1328071), (558, 1113866), (806, 771138), (1116, 556933), (1209, 514092), (1612, 385569), (2418, 257046), (3627, 171364), (4836, 128523), (7254, 85682), (14508, 42841)]